ASUS RT-N12+ Firmware Download: How to Choose the Right Version
How to Download and Update ASUS RT-N12+ Firmware
If you own an ASUS RT-N12+ wireless router, you may want to keep its firmware up to date to enjoy better performance, security, and stability. In this article, we will show you how to download and update the firmware for your ASUS RT-N12+ router in a few simple steps.
What is ASUS RT-N12+ and why do you need to update its firmware?
The ASUS RT-N12+ is a wireless router that supports multiple 3-in-1 modes, including router, access point, and range extender. It has two external high-performance antennas that provide powerful and wide coverage for your Wi-Fi network. It also supports up to 300 Mbps data rate on the 2.4 GHz band, making it suitable for online gaming, video streaming, and web browsing.
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ASUS RT-N12+ features and specifications
Here are some of the main features and specifications of the ASUS RT-N12+ wireless router:
Network StandardData RateAntennaTransmit/ReceiveMemoryOperating FrequencyPortsButtonLED Indicator
IEEE 802.11bIEEE 802.11gWiFi 4 (802.11n)IPv4IPv6802.11b : up to 11 Mbps802.11g : up to 54 MbpsWiFi 4 (802.11n) : up to 300 MbpsFixed antenna x 2MIMO technology2.4GHz 2x28 MB Flash, 32 MB RAM2.4G HzRJ45 for 10/100 BaseT for WAN x 1, RJ45 for 10/100 BaseT for LAN x 4WPS Button, Reset ButtonPower x 1
Benefits of updating router firmware
Updating your router firmware can bring you several benefits, such as:
Fixing security vulnerabilities and protecting your network from hackers, malware, and other threats.
Improving connectivity and stability by resolving bugs or glitches in the previous firmware version.
Enhancing performance and speed by optimizing the router's settings and features.
Adding new functions or capabilities that were not available in the older firmware version.
How to download the latest firmware for ASUS RT-N12+
To update your router firmware, you need to download the latest firmware file from the ASUS website and upload it to your router using its web management page. Here are the steps to do so:
Find your router's IP address and log in to its web management page
You can access your router You can access your router's web management page by entering its IP address in your web browser. The default IP address for ASUS RT-N12+ is 192.168.1.1. If you have changed it, you can find it by following these steps:
Open a command prompt on your Windows PC by pressing Windows + R keys and typing cmd.
Type ipconfig and press Enter. Look for the Default Gateway entry under your network adapter and note down the IP address.
Enter the IP address in your web browser and press Enter.
You will be prompted to enter your router's username and password. The default username and password are both admin. If you have changed them, enter the ones you have set.
Go to your router manufacturer's website and download the firmware update file
Once you have logged in to your router's web management page, you need to go to the ASUS website and download the latest firmware file for your router model. Here are the steps to do so:
Go to and select your router's firmware version from the drop-down menu.
Click on the Download button and save the file to your computer.
Make sure the file name ends with .trx and has a size of about 8 MB.
Extract the file and move it to your desktop
The firmware file you have downloaded may be compressed in a zip or rar format. You need to extract it using a program like WinZip or WinRAR. Here are the steps to do so:
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Right-click on the firmware file and select Extract All or Extract Here.
Choose a destination folder for the extracted file or leave it as default.
Move the extracted file to your desktop for easy access.
How to update your router firmware using the web management page
After you have downloaded and extracted the firmware file, you can upload it to your router using its web management page. Here are the steps to do so:
Connect to the router via Ethernet cable
It is recommended that you connect your computer to the router using an Ethernet cable rather than Wi-Fi. This will ensure a stable and secure connection during the firmware update process. If you use Wi-Fi, you may experience interruptions or errors that could damage your router.
Locate the Firmware or Update section and select the firmware file on your desktop
On your router's web management page, look for the Firmware or Update section under the Administration or Advanced Settings menu. Click on the Choose File or Browse button and select the firmware file on your desktop. The file name should end with .trx and have a size of about 8 MB.
Start the upgrade process and reboot the router
Click on the Upload or Upgrade button and wait for the firmware update process to complete. Do not turn off or disconnect your router or computer during this time. The process may take several minutes depending on your router model and firmware size. You will see a progress bar or a message indicating the status of the update.
When the update is done, your router will reboot automatically. You may need to log in to your router's web management page again using the same IP address, username, and password as before.
How to troubleshoot common router firmware issues and solutions
Sometimes, you may encounter some issues or problems after updating your router firmware. Here are some of the common ones and how to solve them:
Check for overheating, loose cables, and power issues
If your router does not turn on or respond after the firmware update, it may be due to overheating, loose cables, or power issues. To fix this, you can try the following:
Unplug your router from the power source and let it cool down for a few minutes.
Check if all the cables are properly connected and secured.
Plug your router back into the power source and turn it on.
If the problem persists, try using a different power outlet or adapter.
Reset your router to factory settings if the update fails or causes problems
If your router fails to update or causes problems such as slow speed, unstable connection, or missing features, you may need to reset your router to factory settings. This will erase all your customized settings and restore your router to its default configuration. To do this, you can follow these steps:
Locate the reset button on the back of your router. It is usually a small hole or a recessed button that you need to press with a pin or a paper clip.
Press and hold the reset button for about 10 seconds until the power LED